The host is installed with Mozilla Firefox 10.x before 10.0.1 or Thunderbird before 10.0.1 or SeaMonkey before 2.7.1 and is prone to use-after-free vulnerability. A flaw is present in the applications, which fail to properly handle nsXBLDocumentInfo::ReadPrototypeBindings function call. Successful exploitation allows remote attackers to cause arbitrary code to be executed on the target user's syst ...